Dr Sarah Mollard encourages community members to attend the September 20 Global Climate Strike in Port Macquarie, or if that is not possible, speak up in other ways.

The climate strike will begin at the Glasshouse forecourt at 9am and end at Cowper MP Pat Conaghan's office.

Hastings Parents for the Environment representatives will be among those supporting the Port Macquarie action.

"I think it's important that we come together and really amplify each other's voices when we are talking about things that involve all of us," Dr Mollard said.

"It's inspiring that the school [climate action] strikers have really stepped up to demand action on this issue.

"It's really important that as adults we support their right to participate in our democracy."

Students, workers and community members around the globe are preparing to join together and strike for more action on climate change.

Dr Mollard, a GP in the Hastings and mother-of-two, is a founding member of Hastings Parents for the Environment and a member of Doctors for the Environment Australia and Australian Parents for Climate Action.

"I think, like many parents, I'm concerned about safety of my children and I think it's clear from the science that climate change is the biggest threat to our children's safety for this generation," Dr Mollard said.

She said it was clear climate change had already impacted, citing events such as increasing heat waves and more bushfire risk days.

"I want to be able to look at my children in the eyes and be able to say to them in 10 or 20 years that I've done as much as I can to help make their future safe and say to my patients I'm seriously advocating for their good health," she said.

Dr Mollard said it was fantastic that the Australian Medical Association (AMA) had taken a leadership role.

The association recently recognised climate change as a health emergency.

She said it was important not to lose sight of the fact climate change was not a new concern for the AMA.

The AMA, which has held a position on climate change and health since 2004, is among a chorus of voices urging action to address climate change on health grounds.

Dr Mollard said actions to address climate change would be required at all levels of government and all around the world.

Actions could be taken within our own community too, she said.

Dr Mollard said solutions needed to be implemented and acted upon.

"Why the government hasn't been able to take steps to show stronger leadership is probably a complicated answer but I think what we can do is all stand together as members of the community and support each other to demand strong action and be the change we want to see," she said.

"We have the solutions to this problem available to us and what we need to do is to implement them and implement them urgently.

"I really believe it's possible."

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